/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.internal.datasource;
/**
*/
import java.sql.SQLException;
import javax.sql.ConnectionEventListener;
import javax.sql.PooledConnection;
import javax.sql.XADataSource;
import org.apache.logging.log4j.Logger;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
/**
* This class models a connection pool for transactional database connection. Extends the
* AbstractPoolCache to inherit the pool bahavior.
*
*/
public class TranxPoolCacheImpl extends AbstractPoolCache {
private static final long serialVersionUID = 3295652525163658888L;
private static final Logger logger = LogService.getLogger();
private XADataSource m_xads;
/**
* Constructor initializes the ConnectionPoolCacheImpl properties.
*/
public TranxPoolCacheImpl(XADataSource xads, ConnectionEventListener eventListner,
ConfiguredDataSourceProperties configs) throws PoolException {
super(eventListner, configs);
m_xads = xads;
initializePool();
}
/**
*
*/
@Override
void destroyPooledConnection(Object connectionObject) {
try {
((PooledConnection) connectionObject)
.removeConnectionEventListener((javax.sql.ConnectionEventListener) connEventListner);
((PooledConnection) connectionObject).close();
connectionObject = null;
} catch (Exception ex) {
if (logger.isTraceEnabled())
logger.trace(
"AbstractPoolcache::destroyPooledConnection:Exception in closing the connection.Ignoring it. The exeption is {}",
ex.getMessage(), ex);
}
}
/**
* Creates a new connection for the pool. This connection can participate in the transactions.
*
* @return the connection from the database as PooledConnection object.
*/
@Override
public Object getNewPoolConnection() throws PoolException {
if (m_xads != null) {
PooledConnection poolConn = null;
try {
poolConn = m_xads.getXAConnection(configProps.getUser(), configProps.getPassword());
} catch (SQLException sqx) {
throw new PoolException(
LocalizedStrings.TranxPoolCacheImpl_TRANXPOOLCACHEIMPLGETNEWCONNECTION_EXCEPTION_IN_CREATING_NEW_TRANSACTION_POOLEDCONNECTION
.toLocalizedString(),
sqx);
}
poolConn.addConnectionEventListener((javax.sql.ConnectionEventListener) connEventListner);
return poolConn;
} else {
if (logger.isDebugEnabled()) {
logger.debug(
"TranxPoolCacheImpl::getNewConnection: ConnectionPoolCache not intialized with XADatasource");
}
throw new PoolException(
LocalizedStrings.TranxPoolCacheImpl_TRANXPOOLCACHEIMPLGETNEWCONNECTION_CONNECTIONPOOLCACHE_NOT_INTIALIZED_WITH_XADATASOURCE
.toLocalizedString());
}
}
}